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The 15th Jornada de Dermatología was a successful dermatology event with international experts discussing various topics.

New retinoids are effective for various skin conditions and are being developed to have fewer side effects.

Topical mitotic blocking agents like colchicine can be dangerous and potentially fatal, and hair loss from rapid weight loss is due to low protein, not the speed of weight loss.

ROS may affect hair loss related to hormones.

Chemotherapy can cause various skin reactions, with hair loss being the most common, and proper diagnosis and treatment of these reactions are important.

Regulatory T-cells are important for healing and regenerating tissues in various organs by controlling immune responses and aiding stem cells.

Special fiber materials boost the healing properties of certain stem cells.

COVID-19 can cause different skin symptoms that may help with early diagnosis and show how severe the disease is.

Demodicosis is common and often missed, needing more recognition and treatment in skin care.

Stem cell niches support, regulate, and coordinate stem cell functions.

Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.

Antibiotics can reduce acne but may lead to resistant bacteria, and understanding the skin's bacteria is important for treatment.

The conclusion is that Treg-targeted therapies have potential, but more knowledge of Treg biology is needed for effective treatments, including for cancer.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Probiotic bacteria improved skin and hair health in aged mice.

Men's sensitivity to male hormones might affect how severe COVID-19 gets for them.

Particles around 100 nm can penetrate and stay in hair follicles without passing through healthy skin, making them safe for use in topical products and useful for targeted drug delivery.

Understanding how cells die in the skin is important for treating skin diseases and preventing hair loss.

Men, especially older ones with health issues like prostate cancer, may have worse COVID-19 outcomes and could benefit from therapies targeting male hormones.

New micelle solutions greatly improve skin delivery of certain antifungal drugs.

Drug advertising has greatly increased, changing consumer behavior and raising concerns about its influence on healthcare and patient protection.

Correct skin biopsy techniques are crucial to avoid misdiagnosis of skin diseases.

Voriconazole can cause serious side effects, especially in long-term use.

FOXO1 is important for wound healing, but its dysfunction in diabetes can slow the healing process.

The document concludes that diagnosing and treating Human African Trypanosomiasis is challenging, but new treatments like fexinidazole are promising.

Certain types of T cells are essential for healthy skin and play a role in skin diseases, but more research is needed to improve treatments.

Toxic Shock Syndrome progresses quickly, often involves multiple organs, and is linked to Staphylococcus aureus toxins, with treatment options available but diagnostic challenges remaining.

Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.

5α-reductase inhibitors can cause sexual problems, higher risk of aggressive prostate cancer, and depression.